CN102930333B - Star wheel counting device - Google Patents
Star wheel counting device Download PDFInfo
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- CN102930333B CN102930333B CN201210378799.9A CN201210378799A CN102930333B CN 102930333 B CN102930333 B CN 102930333B CN 201210378799 A CN201210378799 A CN 201210378799A CN 102930333 B CN102930333 B CN 102930333B
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Abstract
The invention provides a star wheel counting device which comprises a bottle feeding track, a star wheel and a star wheel driving motor, wherein the star wheel is correspondingly connected with an outlet of the bottle feeding track and is used for counting; wheel teeth matched with a bottle body in shape are uniformly arranged on the outer circumference of the star wheel; a torsion limiter is in shaft connection between the star wheel and the motor; a maximum output torque of the torsion limiter is smaller than the torque required by the star wheel for rotation; and the summation of the maximum output torque of the torsion limiter and the torque applied to the star wheel by a small bottle which is arranged in the bottle feeding track and is pushed by a friction force is greater than the torque required by the star wheel for rotation. Compared with the prior art, the star wheel counting device has the characteristics of convenience in use, energy-saving and emission-reduction performances, and accuracy in counting as well as has favorable popularization and use values.
Description
Technical field
The present invention relates to field of pharmaceutical equipment, particularly relate to the conveying of a kind of medicine bottle counting assembly, specifically a kind of star-wheel counting assembly.
Background technology
Star-wheel counting assembly is mainly used in adopting in the pharmacy robotization industry of star-wheel counting, star-wheel adopts driven by servomotor under normal circumstances, counting mode is that star-wheel often runs certain angle, by PLC(programmable logic controller (PLC)) calculate bottle quantity, this counting mode, when on star-wheel without bottle time, star-wheel still rotates, PLC still counts, and causes the inaccurate of counting.A kind of mode of counting is also had to be, in the corresponding below of star-wheel each tooth, a Luo bolt is installed, star-wheel often turns over certain angle and just dialled a bottle, proximity switch is put up with and is detected a bottle, a bottle number accumulated counts is carried out by controller, same this counting mode, when also to exist on star-wheel without bottle, the problem that proximity switch still counts, counting inaccurate just makes to increase follow-uply checks operation, loses time and manpower.
On the other hand bottle enters before star-wheel starts counting, first through bottle conveying device, in existing technology, no matter in this conveying device with or without bottle, star-wheel drive motor all will keep running for a long time, which adds equipment energy consumption, does not meet the policy that national environmental protection is energy-conservation.In sum, existing star-wheel counting assembly have energy consumption high, count the shortcomings such as inaccurate.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and saves energy and reduce the cost, counts star-wheel counting assembly accurately.
Technical scheme of the present invention is, a kind of star-wheel counting assembly, comprise bottle inlet track, correspondingly with bottle inlet track export to connect and for the star-wheel that counts and star-wheel drive motor, described star-wheel excircle is evenly provided with the gear teeth matched with bottle profile, torque limiter is connected with between described star-wheel and motor, described torque limiter maximum output torque be less than star-wheel rotate needed for moment, this torque limiter maximum output torque with to be located in bottle inlet track and by the moment sum that the bottle that friction force promotes imposes on star-wheel be greater than star-wheel rotate needed for moment.
In technique scheme, the maximum output torque of the torque limiter be coupling between star-wheel and motor is less than the moment needed for star-wheel rotation, to be located in bottle inlet track and to be less than the moment needed for star-wheel rotation by the moment that the bottle that friction force promotes imposes on star-wheel, only have when torque limiter output torque with to be located in bottle inlet track and by the moment sum that the bottle that friction force promotes imposes on star-wheel be greater than star-wheel rotate needed for moment time, star-wheel could realize rotation and start counting, so the moment that the output torque of torque limiter and bottle impose on star-wheel is indispensable, this ensures that there when there is no bottle, star-wheel would not rotate, not counting, solve the inaccurate problem of original counting device.
As improvement, described torque limiter is located at the below of star-wheel central rotating shaft and is coupling with the belt pulley I be provided with, and described belt pulley I is by belt and the belt pulley II transmission on star-wheel drive motor that is coupling.In this improvement project, when star-wheel drive motor outputs to torque limiter position to be greater than torque limiter maximum output torque, belt will skid, and makes torque limiter can only export the maximum output torque of setting, ensure that star-wheel can not rotate counting when not having bottle.
As improvement, above described torque limiter, be also provided with axle sleeve.This improvement project makes the syndeton between torque limiter and star-wheel more optimize, and transmission is more stable, reliable.
As improvement, described bottle inlet track is provided with bottle pick-up unit I, and this bottle pick-up unit I is located on the bottle inlet track of star-wheel.In this improvement project, after bottle enters bottle inlet track, in the sensing range through bottle pick-up unit, then postpone certain hour if any bottle and send instruction star-wheel and start to rotate and calculate bottle number, then controlling corresponding star-wheel drive motor as detected without bottle to quit work, playing energy-conservation effect; Bottle pick-up unit I is located at the position near star-wheel, can better coordinates star-wheel to count, make the setting of time delay more accurately rationally, more accurate to the control of star-wheel drive motor.
As improvement, described bottle inlet track is also provided with bottle pick-up unit II, this bottle pick-up unit II is located at bottle pick-up unit I front end.In this improvement project, when bottle is by the sensing range of bottle pick-up unit II that is located at bottle pick-up unit I front, then postponed by the regular hour if any bottle, confirm to have sent a bottle signal, as then reminded staff to check without bottle reason without bottle, postpone to send the signal stopping star-wheel rotating through the regular hour simultaneously.
As preferably, described bottle pick-up unit I is photoelectric sensor switch.In this preferred version, adopt photoelectric sensor switch can detect in time and whether have bottle to enter star-wheel, then postpone certain hour if any bottle on the one hand and send instruction star-wheel and start to rotate and calculate bottle number; Then to be quit work by the star-wheel drive motor that motor controller controls is corresponding without bottle as detected on the other hand, playing energy-conservation effect.
As preferably, described bottle pick-up unit II comprises audible-visual annunciator and photoelectric sensor switch.The mode that audible-visual annunciator and photoelectric sensor switch combine is adopted in this preferred version, staff can be notified efficiently in time, the function situation of timely checkout equipment, makes the instruction etc. continuing to add charging or the whole course of work and terminate in time to the reason without bottle.
As preferably, on described star-wheel, corresponding each gear teeth arrange a bolt, described bolt arranged outside proximity switch.This preferred version arranges a bolt in the position that each star-wheel is corresponding, this bolt can with bottle one_to_one corresponding, star-wheel often dialled a bottle, and proximity switch will detect a bottle, carried out a bottle number accumulated counts by PLC.
As preferably, described star-wheel drive motor is servomotor.In this preferred version, select servomotor, its rotor speed controls by input signal, and energy rapid reaction, there is the characteristics such as electromechanical time constant is little, the linearity is high, pickup voltage, received electric signal can be converted to the angular displacement on motor reel or angular velocity output, make control rate, positional precision is very accurate.
In sum, the beneficial effect that the present invention is compared with prior art produced is: by the setting of bottle pick-up unit I and bottle pick-up unit II, add without bottle warning system, effectively coordinate star-wheel counting assembly, improve the present situation of star-wheel drive motor long time running; Be coupling torque limiter between star-wheel and star-wheel drive motor, make only torque limiter maximum output torque with to be located in bottle inlet track and by the moment sum that the bottle that friction force promotes imposes on star-wheel be greater than star-wheel rotate needed for moment time, star-wheel could rotate counting, when namely star-wheel there is no bottle, not counting, the present invention have easy to use, save energy and reduce the cost, count feature accurately, there is good popularizing value.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is side schematic views of Fig. 1.
Shown in figure:
1, bottle, 2, bottle inlet track, 3, bottle pick-up unit II, 4, bottle pick-up unit I, 5, star-wheel, 6, star-wheel drive motor, 7, the gear teeth, 8, torque limiter, 9, belt pulley I, 10, belt pulley II, 11, belt, 12, axle sleeve, 13, bolt, 14, contact-making switch.
Embodiment
Be described in detail below below in conjunction with the embodiment of accompanying drawing to star-wheel counting assembly of the present invention.
As accompanying drawing 1, a kind of star-wheel counting assembly shown in Fig. 2, comprise bottle inlet track 2, corresponding to connect and for the star-wheel 5 that counts and star-wheel drive motor 6 is exported with bottle inlet track 2, described star-wheel 5 excircle is evenly provided with the gear teeth 7 matched with bottle profile, torque limiter 8 is connected with between described star-wheel 5 and star-wheel drive motor 6, described torque limiter 8 maximum output torque is less than star-wheel 5 and rotates required moment, described torque limiter 8 maximum output torque rotates required moment with being located in bottle inlet track 2 and being greater than star-wheel 5 by the moment sum that the bottle 1 that friction force promotes imposes on star-wheel 5, described torque limiter 8 is located at the below of star-wheel 5 central rotating shaft and is coupling with the belt pulley I9 be provided with, and described belt pulley I9 is by belt 11 and the belt pulley II10 transmission on star-wheel drive motor 6 that is coupling, axle sleeve 12 is also provided with above described torque limiter 8.
Described bottle inlet track 2 is provided with bottle pick-up unit I4, and this bottle pick-up unit I4 is located on the bottle inlet track 2 of star-wheel 5; Described bottle inlet track 2 is also provided with bottle pick-up unit II3, this bottle pick-up unit II3 is located at bottle pick-up unit I4 front end; Described bottle pick-up unit I4 is photoelectric sensor switch; Described bottle pick-up unit II3 comprises audible-visual annunciator and photoelectric sensor switch; On described star-wheel 5, corresponding each gear teeth 7 arrange a bolt 13, described bolt 13 arranged outside proximity switch 14; Described star-wheel drive motor 6 is servomotor.
In the present embodiment, after bottle 1 enters bottle inlet track 2, first by the detection of bottle pick-up unit II3, then postponed by the regular hour if any bottle, confirm to have sent a bottle signal, as without bottle then warning reminding staff check without bottle reason, simultaneously through the regular hour postpone send stop star-wheel 5 rotate signal; When bottle 1 enters the sensing range be located near the bottle pick-up unit I4 of star-wheel 5 side, then postponing certain hour if any bottle to send instruction star-wheel 5 and start to rotate and calculate bottle number, then to be quit work by the star-wheel drive motor 6 that regular hour Time delay control is corresponding without bottle as detected.
Bottle 1 enters star-wheel 5 after bottle pick-up unit I4, is stuck on the gear teeth 7 that match with bottle profile, and the friction force be subject to by bottle promotes the effect imposing on the moment of star-wheel 5, to star-wheel 5 one opplied moments;
When star-wheel drive motor 6 rotates, the belt pulley II10 be coupling on star-wheel drive motor 6 is driven to rotate, belt pulley I9 is driven to rotate by belt 11, thus drive the torque limiter 8 be coupling with belt pulley I9 to rotate the moment exporting and act on star-wheel 5, when torque limiter output torque and bottle 1 impose on the moment of star-wheel 5 superimposed be greater than star-wheel 5 rotate required moment time, star-wheel by being located at bolt 13 outside star-wheel 5 and contact-making switch 14 counts, star-wheel 5 often turns over certain angle and just dialled a bottle 1, proximity switch 14 is put up with and is detected a bottle 1, a bottle number accumulated counts is carried out by controller.
From the present embodiment, when can to find out in torque limiter 8 maximum output torque+be located at bottle inlet track 2 and to rotate required moment by the moment > star-wheel 5 that the bottle 1 that friction force promotes imposes on star-wheel 5, star-wheel 5 rotates counting; The moment that bottle bottle more than 11 imposes on star-wheel 5 is larger, and acceleration is larger, and star-wheel 5 rotates also faster, and counting rate also can be faster accordingly.
On the contrary, as long as when the gear teeth 7 of star-wheel 5 not having bottle 1, star-wheel 5 just cannot realize rotating counting, serves the effect of accurate counting.On the other hand this torque limiter 8 can also play star-wheel drive motor 6 transship or star-wheel 5 transships time disconnect the connection of star-wheel 5 and star-wheel drive motor 6, the safety of protection personnel and equipment.
Also should illustrate at this, the present invention and above-described embodiment are only stated main improvement part of the present invention, obviously, enforcement of the present invention also depends on the control of electric controller part, in addition in above-described embodiment, do not state in detail the concrete structure of star-wheel 5 and torque limiter 8, these are prior art, just do not repeat one by one at this.
In the above-described embodiments; preferred forms of the present invention is described; obviously; under inventive concept of the present invention; still can make a lot of change; imaging technique such as also can be adopted to detect the presence or absence of bottle; make the result of detection more accurate; for another example also can adopt can resetting current overload protective device; star-wheel drive motor and star-wheel can be disconnected when can realize overload by homing position type current over-load protector; overload situations recovers in time the work of star-wheel drive motor 6 and star-wheel 5 after eliminating, make the course of work realize safer, convenient, fast.At this, should illustrate, any change made under inventive concept of the present invention all will fall within the scope of protection of the present invention.
Claims (9)
1. a star-wheel counting assembly, comprise bottle inlet track (2), corresponding to connect and for the star-wheel (5) that counts and star-wheel drive motor (6) is exported with bottle inlet track (2), described star-wheel (5) excircle is evenly provided with the gear teeth (7) matched with bottle profile, it is characterized in that: between described star-wheel (5) and star-wheel drive motor (6), be connected with torque limiter (8), described torque limiter (8) maximum output torque is less than the moment needed for star-wheel (5) rotation, described torque limiter (8) maximum output torque with to be located in bottle inlet track (2) and by the moment sum that the bottle (1) that friction force promotes imposes on star-wheel (5) be greater than star-wheel (5) rotate needed for moment.
2. star-wheel counting assembly according to claim 1, it is characterized in that: described torque limiter (8) be located at star-wheel (5) central rotating shaft below and with the belt pulley I(9 be provided with) be coupling, described belt pulley I(9) by belt (11) and the belt pulley II(10 that is coupling on star-wheel drive motor (6)) transmission.
3. star-wheel counting assembly according to claim 2, is characterized in that: described torque limiter (8) top is also provided with axle sleeve (12).
4. star-wheel counting assembly according to claim 3, is characterized in that: described bottle inlet track (2) is provided with bottle pick-up unit I(4), this bottle pick-up unit I(4) be located on the bottle inlet track (2) of star-wheel (5).
5. star-wheel counting assembly according to claim 4, is characterized in that: described bottle inlet track (2) is also provided with bottle pick-up unit II(3), this bottle pick-up unit II(3) be located at bottle pick-up unit I(4) front end.
6. star-wheel counting assembly according to claim 4, is characterized in that: described bottle pick-up unit I(4) be photoelectric sensor switch.
7. star-wheel counting assembly according to claim 6, is characterized in that: described bottle pick-up unit II(3) comprise audible-visual annunciator and photoelectric sensor switch.
8. the star-wheel counting assembly according to claim 6 or 7, is characterized in that: the upper corresponding each gear teeth (7) of described star-wheel (5) arrange a bolt (13), described bolt (13) arranged outside proximity switch (14).
9. star-wheel counting assembly according to claim 8, is characterized in that: described star-wheel drive motor (6) is servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210378799.9A CN102930333B (en) | 2012-10-09 | 2012-10-09 | Star wheel counting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210378799.9A CN102930333B (en) | 2012-10-09 | 2012-10-09 | Star wheel counting device |
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| Publication Number | Publication Date |
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| CN102930333A CN102930333A (en) | 2013-02-13 |
| CN102930333B true CN102930333B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210378799.9A Active CN102930333B (en) | 2012-10-09 | 2012-10-09 | Star wheel counting device |
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| CN (1) | CN102930333B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229443B (en) * | 2013-06-24 | 2017-02-08 | 楚天科技股份有限公司 | Single-row bottle arranging conveying device and method for controlling same |
| CN104743345B (en) * | 2013-12-31 | 2017-05-17 | 楚天科技股份有限公司 | Method and device for conveying bottles arrayed in double rows |
| CN105152105B (en) * | 2015-09-14 | 2018-02-27 | 广州达意隆包装机械股份有限公司 | Cover whirling Machine production capacity measurement apparatus and its measuring method |
| CN108146704A (en) * | 2017-12-20 | 2018-06-12 | 楚天科技股份有限公司 | A kind of thumb wheel feed arrangement and thumb wheel charging rate automatic matching method |
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| CN2426606Y (en) * | 2000-05-31 | 2001-04-11 | 华立集团有限公司 | Planetary bidirectional summating KWH meter |
| US7795556B1 (en) * | 2006-09-14 | 2010-09-14 | Dean Edward T | Packaging apparatus |
| CN201849946U (en) * | 2010-10-26 | 2011-06-01 | 上海东富龙科技股份有限公司 | Star wheel material feeding device |
| CN202071343U (en) * | 2011-03-29 | 2011-12-14 | 周文 | OEE (Overall Equipment Effectiveness) monitoring system for PET (Polyethylene Terephthalate) bottle blowing machine |
| CN202257659U (en) * | 2011-09-26 | 2012-05-30 | 昆山市玉山镇盛峰模具五金行 | Mechanical counter |
| CN202870879U (en) * | 2012-10-09 | 2013-04-10 | 山东新华医疗器械股份有限公司 | Star-wheel-based counting device |
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- 2012-10-09 CN CN201210378799.9A patent/CN102930333B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426606Y (en) * | 2000-05-31 | 2001-04-11 | 华立集团有限公司 | Planetary bidirectional summating KWH meter |
| US7795556B1 (en) * | 2006-09-14 | 2010-09-14 | Dean Edward T | Packaging apparatus |
| CN201849946U (en) * | 2010-10-26 | 2011-06-01 | 上海东富龙科技股份有限公司 | Star wheel material feeding device |
| CN202071343U (en) * | 2011-03-29 | 2011-12-14 | 周文 | OEE (Overall Equipment Effectiveness) monitoring system for PET (Polyethylene Terephthalate) bottle blowing machine |
| CN202257659U (en) * | 2011-09-26 | 2012-05-30 | 昆山市玉山镇盛峰模具五金行 | Mechanical counter |
| CN202870879U (en) * | 2012-10-09 | 2013-04-10 | 山东新华医疗器械股份有限公司 | Star-wheel-based counting device |
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| CN102930333A (en) | 2013-02-13 |
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